The sync status ID on the system. unknown - the device is disconnected from the device group; syncing - the device is joining the device group or has requested changes from device group or inconsistent with the group; needManualSync - changes have been made on the device not syncd to the device group; inSync - the device is consistent with the device group; syncFailed - the device is inconsistent with the device group, requires user intervention; syncDisconnected - the device is not connected to any peers; standalone - the device is in a standalone configuration; awaitingInitialSync - the device is waiting for initial sync; incompatibleVersion - the device's version is incompatible with rest of the devices in the device group; partialSync - some but not all devices successfully received the last sync.